Bug 894844 - Add localization comment to plural forms in AccessFu.properties. r=yzen

dom/locales/en-US/chrome/accessibility/AccessFu.properties

@@ -78,6 +78,8 @@ headingLevel   =       heading level %S
 # more sophisticated list announcement
 listStart      =       First item
 listEnd        =       Last item
+# LOCALIZATION NOTE (listItemsCount): Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
 listItemsCount =       1 item;#1 items
 
 # Landmark announcements
@@ -93,7 +95,11 @@ search         =       search
 # 2 is the number of columns within the table.
 # 3 is the number of rows within the table or grid.
 tableInfo = %S with %S and %S
+# LOCALIZATION NOTE (tableColumnInfo): Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
 tableColumnInfo = 1 column;#1 columns
+# LOCALIZATION NOTE (tableRowInfo): Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
 tableRowInfo = 1 row;#1 rows
 
 # table or grid cell information
@@ -166,6 +172,10 @@ figureAbbr         =       fig
 textareaAbbr       =       txtarea
 tableAbbr          =       tbl
 tableInfoAbbr = %S %S %S
+# LOCALIZATION NOTE (tableColumnInfoAbbr): Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
 tableColumnInfoAbbr = #1c;#1c
+# LOCALIZATION NOTE (tableRowInfoAbbr): Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
 tableRowInfoAbbr = #1r;#1r
 cellInfoAbbr = c%Sr%S